Thepths
Featured by Gavin Verhey on 2010-02-28 (Extended)
As written about in http://www.starcitygames.com/magic/extended/18832_Flow_of_Ideas_Bitten_By_The_Dark_Depths_Poison_A_Grand_Prix_Oakland_Report.html

Maindeck:

Artifacts
4 Chrome Mox (Not currently legal in Extended)
1 Engineered Explosives (Not currently legal in Extended)
2 Sword of the Meek (Not currently legal in Extended)
3 Thopter Foundry (Not currently legal in Extended)

Creatures
4 Dark Confidant (Not currently legal in Extended)
4 Vampire Hexmage

Instants
4 Muddle the Mixture (Not currently legal in Extended)
3 Repeal (Not currently legal in Extended)
1 Smother
4 Thirst for Knowledge (Not currently legal in Extended)

Sorceries
1 Compulsive Research (Not currently legal in Extended)
1 Duress
4 Thoughtseize (Not currently legal in Extended)

Basic Lands
3 Island
2 Swamp

Lands
4 River of Tears (Not currently legal in Extended)
4 Sunken Ruins (Not currently legal in Extended)
2 Tolaria West (Not currently legal in Extended)

Legendary Lands
1 Academy Ruins (Not currently legal in Extended)
4 Urborg, Tomb of Yawgmoth

Legendary Snow Lands
4 Dark Depths (Not currently legal in Extended)

Sideboard:
2 Sphinx of Jwar Isle
4 Leyline of the Void
2 Threads of Disloyalty (Not currently legal in Extended)
1 Gifts Ungiven (Not currently legal in Extended)
1 Slaughter Pact (Not currently legal in Extended)
2 Smother
1 Duress
1 Exile into Darkness (Not currently legal in Extended)
1 Dimir Aqueduct (Not currently legal in Extended)